NIIN Output Data
NIIN:
NSN:
Item Name:
SCREW , CLOSE TOLERANCE
Definition:
A SCREW, MACHINE OR SCREW, CAP, SOCKET HEAD WHOSE UNTHREADED PORTION IS OF SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001 IN.) (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS (1.000 IN.) (25 MM) OR LESS IN DIAMETER. ITEMS OVER (1.000 IN.) (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015 IN.) (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001 IN.) (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. THE HEAD IS DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER. IT IS NOT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.
Reference/Part Number
CAGE Information
| Code |
Company |
| 06725 |
SPS TECHNOLOGIES LLC DBA AIR INDUSTR |
| 92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 50392 |
SPS TECHNOLOGIES INC |
| L4528 |
LISI AEROSPACE CANADA CORP |
| 81755 |
LOCKHEED MARTIN CORPORATION DBA LOCK |
| 56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
| 93907 |
TEXTRON FASTENING SYSTEMS DBA DECORA |
| 73197 |
HI-SHEAR CORPORATION |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| CRSQ |
COUNTERSINK ANGLE |
59.75 DEGREES MINIMUM AND 60.25 DEGREES MAXIMUM |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| SFTT |
SURFACE TREATMENT |
NICKEL OVERALL AND CADMIUM OVERALL |
| AASB |
FASTENER LENGTH |
1.862 INCHES MINIMUM AND 1.892 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AASA |
THREAD LENGTH |
0.352 INCHES MINIMUM AND 0.402 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.412 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| CQBC |
MINIMUM TENSILE STRENGTH |
220000 POUNDS PER SQUARE INCH |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| FEAT |
SPECIAL FEATURES |
BEARING SURFACE OF HEAD GROOVED TO 0.323 IN. MIN,0.325 IN. MAX DIA,0.050 IN. MIN,0.055 IN. MAX FROM TOP OF HEAD |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ANEE |
GRIP LENGTH |
1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP H11 OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
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